Simple "cmd" module to issue a CLI command

A simple "cmd" COM32 module, which only echoes a CLI command.  This is
mostly useful when running on an alternate CLI, e.g. on top of the
native gPXE COMBOOT interface.

diff --git a/com32/modules/Makefile b/com32/modules/Makefile
index 2739a39..930e89b 100644 (file)
--- a/com32/modules/Makefile
+++ b/com32/modules/Makefile
@@ -20,7 +20,7 @@ include ../MCONFIG
 MODULES          = chain.c32 config.c32 ethersel.c32 mboot.c32 dmitest.c32 \
            cpuidtest.c32 \
            pcitest.c32 elf.c32 linux.c32 reboot.c32 pmload.c32 meminfo.c32 \
-           sdi.c32 sanboot.c32 ifcpu64.c32 vesainfo.c32 kbdmap.c32
+           sdi.c32 sanboot.c32 ifcpu64.c32 vesainfo.c32 kbdmap.c32 cmd.c32
 
 TESTFILES =
 

diff --git a/com32/modules/cmd.c b/com32/modules/cmd.c
new file mode 100644 (file)
index 0000000..f0b0a96
--- /dev/null
+++ b/com32/modules/cmd.c
@@ -0,0 +1,42 @@
+/* ----------------------------------------------------------------------- *
+ *
+ *   Copyright 2008 Michael Brown - All Rights Reserved
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
+ *   Boston MA 02110-1301, USA; either version 2 of the License, or
+ *   (at your option) any later version; incorporated herein by reference.
+ *
+ * ----------------------------------------------------------------------- */
+
+/*
+ * cmd.c
+ *
+ * Execute arbitrary commands
+ */
+
+#include <string.h>
+#include <alloca.h>
+#include <console.h>
+#include <com32.h>
+
+int main(int argc, const char *argv[])
+{
+  size_t len = 0;
+  char *cmd;
+  char *tmp;
+  int i;
+
+  openconsole(&dev_stdcon_r, &dev_stdcon_w);
+
+  for (i = 1; i < argc; i++)
+    len += strlen(argv[i]) + 1;
+
+  tmp = cmd = alloca(len);
+
+  for (i = 1; i < argc; i++)
+    tmp += sprintf(tmp, "%s%s", argv[i], (i == argc-1) ? "" : " ");
+
+  syslinux_run_command(cmd);
+}